Cultivator.



W. A PAUL, DECD.

l.- V. PAUL, ADMINISTRATRIX- CULTIVATOR.

APPLICATION FILED FEB.13 915. 1,203,043. Patented Oct. 31,1916.

EIHI I 16 (a UNITED STAT s rarn'r o IQFZ.

WESLEY A. PAUL, DECEASED, LATE OF MOLINE, ILLINOIS, BY LOLA VIPAUL, OF MOLINE, ILLINOIS, ADMINISTRATBIX OF SAID WESLEY A. PAUL, ASSIGNOR TO DEERE AND COMPANY, OF MOLINE, ILLINOIS, A CORPORATION OF ILLINOIS.

CULTIVATOR.

Specification of Letters Eatent.

Patented Oct. 31, 1916.

Application filed February 13, 1915. Serial No. 8,047.

ment to rows of varyingwidths, the object of this invention beingto simplify the construction and operation of the various parts and to insure rigidity of the structure in its various adjusted positions. 7

Referring to the drawings in which similar numerals indicate identical parts, Figure l is a plan view of an improved device showing the implement expanded. Fig. 2 is a similar view showing the implement arranged for narrow rows. Fig. 3 is a side elevation of Fig. 1, and Fig. at is an enlarged section on the line H of Fig. 1.

A member 1, preferably a casting is rigidly secured on the rear end of a beam 2 by a bolt 3 which passes through the member 1 and the beam 2. Pivotally secured to the underside of the member 1, by the bolt 3 are the overlapping ends of laterally projecting bars 4:, and pivotally secured to the rear end of the member 3 are the overlapping ends of bars 5 projecting laterally and parallel with the bars 1, the parallel relation of the bars 41 and 5 being maintained by straps 6 which are secured to the outer ends thereof. In this instance spring teeth 7 are shown proj ecting through clips 8 andhaving their forward ends pivotally secured to the bars a by suitable bolts.

There is illustrated five spring teeth as applied to the device, the central tooth 9 besecured to bars 5 by bolts a, Z), and 0, on which, and between the portions 12 and the bars 5, are washers to hold the portions 12 and bars 5 apart to form spaces or guideways 13.

The parallel bars 4 and 5 on one side of the beam 2 are adjustable independently of the bars 4; and 5 on the opposite side and as the bars 1 and 5 on each side of the beam 2 have the same type of ad usting mechanism, a description of its construction and operation on one side only will be given. Preforably on the same bolt which holds the strap 6, the bar 1, and the forward end of the outer spring tooth 8 together, an end of the rack bar is pivotally secured. The rack bar 1% extends diagonally rearward through the space 13 where the notches 15 of the rack bar engage with the bolt 5 to hold the bars a and 5 to any position to which they may be adjusted.

Projecting outwardly through a suitable opening in the portion 11 of the frame brace 10 is an end of a rod 17 the end being bent to form a grip 16 by which the rod is to be actuated; the rod 17 extends parallel with the portion 12 of the frame brace 10 and has its inner end 21 bent downward at a right angle and projecting through a longitudinal slot 18 in the portion 12. A slot 19 ex tends longitudinally in the rack bar 14:, and a slot 20 in the bar 5 in vertical alinement with the slot 18, a cotter or pin passed through the end of the rod 17 below the bar 5, and a similar pin or cotter passed through the rod 17, above the portion 12 of the frame brace 10, retains the rod in proper operative position. A coil spring 22, on the rod 1 7,exerts its tension between the portion 11 of the frame brace 10 and the bend of the rod.

As shown in Fig. 1 the implement is expanded to its greatest width, and when it is desired to contract it and bring the teeth 7 closer together as shown in Fig. 2, by means of the grip 16 the rod 17 is drawn outwardly, disengaging the rack bar from the bolt 5, and hold it out of engagement therewith until the parallel bars are swung rearwardly to the'desired position when the rod 17 is released and the rack bar 14: is swung toward the bolt 5 by pressure of the coil spring 22, one of the notches in the rack bar 1 1 engaging with the bolt Z2 and securely holding the parts in their new position, the end 21 of the rod 17 moving freely in the slots 18, 19 and 20 during this adjustment.

Either set of parallel bars 4: and 5, and connected teeth, may be adjusted independently of the other for even work as shown in Fig. 1, for work between rows stirring the soil in opposite directions from the beam 2 as shown in full lines in Fig. 2; in the latter figure one set of bars and teeth is shown adjusted to stir the soil from one side of the implement toward the other, and it will be understood that both sets can be adjusted forwardly to stir the soil from both sides of the beam toward the center, in the latter instance however the center tooth 9 is re moved to provide clearance for trash that might be gathered and tend to clog the implement; it will be seen that a wide range of adjustment is possible to suit any cultivator desired.

The number of spring teeth shown in the drawings is not limited as it is evident more or less may be employed without impairing the effectiveness of the device.

lVhat is claimed is 1. In a cultivator the combination of a beam, opposite laterally extending tooth carrying bars pivotally supported at their inner ends on the beam, means to hold the bars on either side of the beam in fixed parallel relation one with the other, means to adjust said bars toward or from the beam, said adjusting means comprising bars pivotally connected with one of the tooth carrying bars on each side of the beam and extending diagonally toward the adjacent tooth carrying bars and adapted to be connected therewith to retain said tooth carrying bars in varied positions of adjustment.

2. In a cultivator, the combination of a beam, opposite laterally extending tooth carrying bars pivotally supported at their inner ends on the beam, means to hold the bars on either side of the beam in fixed parallel relation one with the other, means to adjust said bars toward or from the beam, said adjusting means comprising rack bars pivotally connected with one of the tooth carrying bars on each side of the beam and extending diagonally toward the adjacent tooth carrying bar, the latter having means to engage with the rack bars to retain said tooth carrying bars in varied positions of adjustment.

3. In a cultivator, the combination of a beam, opposite laterally extending tooth carrying bars pivotally supported at their inner ends on the beam in fixed parallel relation one with the other and adapted to be swung on their pivots to adjust them toward or from the beam to vary the distance between the teeth, rack bars pivotally connected with one of the tooth carrying bars on each side of the beam and extending diagonally toward the adjacent tooth carrying bars, guideways on the latter bars through which the rack bars extend, stops in ward the adjacent tooth carrying bar, a I

guideway on the latter bar through which the rack bar extends, a stop in said guideway adapted to engage with the rack bar, and manually operable means to disengage said stop and rack bar.

5. In a cultivator, the combination of a beam, laterally extending tooth carrying bars pivotally supported on the beam in fixed parallel relation one with the other and adapted to be swung on their pivots to adjust them toward or from the beam to vary the distance between the teeth, a rack bar pivotally connected with the outer end of one of the tooth carrying bars and extending diagonally toward the adjacent tooth carrying bar, a guideway on the latterbar through which the rack bar extends, a stop in said guideway adapted to engage with the rack bar to retain the tooth bars in adjusted positions, and a rod supported on said adjacent tooth carrying bar and connected with the rack bar, said rod being operable to disengage said stop and rack bar.

6. In a cultivator, the combination of a beam, laterally extending tooth carrying bars pivotally. supported on the beam in fixed parallel relation one with the other and adapted to be swung on their pivots to adjust them toward or from the beam and vary the distance between the teeth, a rack bar pivotally connected with the outer end of the forward tooth carrying bar and extending diagonally rearward and inward toward the adjacent tooth carrying bar, a guideway on the latter bar in which the rack bar is movable, a stop in said guideway adapted to engage with the rack bar to retain the tooth bars in adjusted positions, a manually operable rod supported on said adjacent tooth carrying bar and connected with the rack bar to disengage the latter from the stop, and a spring adapted to actuate said rod to hold the rack bar in engagement with the stop.

7. In a cultivator, the combination of a beam, laterally extending tooth carrying bars pivotally supported on the beam in fixed parallel relation one with the other and adapted to be swung on their pivots to ad just them toward or from the beam and vary the distance between the teeth, a rack bar pivotally connected with the outer end of the forward tooth carrying bar and extending diagonally rearward and inward toward the adjacent tooth carrying bar, a frame brace secured to said bar and pivotally connected with thebeain, said brace having a horizontal portion secured to the adjacent tooth carrying bar and spaced apart there from to form a guideway in which the rack bar is movable, a stop in said guideway to engage with the rack bar, a longitudinal slot in the rack bar, a longitudinal slot in the horizontal portion of the frame brace, a rod extending inwardly from the bend of the frame brace and having its inner end projected downwardly through said slots, said rod being manually operable to disengage said rack bar and stop, and a spring on said rod adapted to actuate the latter to hold the rack bar and stop in engagement.

8. In a cultivator, the combination of a beam, forward and rearward tooth carrying bars pivoted to the beam at their inner ends and extending laterally from opposite sides of the beam, the forward tooth carrying bars being held in fixed parallel relation with the rearward bars, means to adjust the bars on one side of said beam independent of the bars on the opposite side, said means comprising rack bars pivoted to the forward bars and movable therewith and extending rearwardly in a diagonal direction, and

stops on the rearward bars adapted to engage with the rack bars to hold the tooth carrying bars in adjusted positions.

In testimony whereof I affix my signature in presence of two witnesses.

LOLA v. PAUL,

Copies 0! this patent may be obtained for five cents each, by addressing the "Commissioner of Patents. Washington, D. G. 

